<template>
  <div class="wrapper">
    <swiper class="swiper" :options="swiperOption" v-if="showSwiper">
    <swiper-slide v-for="item of list" :key="item.id">
        <img :src="item.imgUrl"  class="swiper-img">
    </swiper-slide>
    <div class="swiper-pagination" slot = "pagination"></div>
    </swiper>
  </div>

</template>
<script>
export default({
  name: 'HomeSwiper',
  props: {
    list: Array
  },
  // options中的数据要在组件中进行注册，组件中再注册组件
  // 数据，需要返回一个对象
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        autoplay: true,
        speed: 2000,
        loop: true
      }
    }
  },
  computed: {
    showSwiper () {
      return this.list.length
    }
  }
})
</script>

<style lang="stylus" scoped>
.wrapper >>> .swiper-pagination-bullet-active
      background: #fff !important
.wrapper
  width: 100%
  height: 0
  padding-bottom: 30%
  .swiper-img
    width: 100%
</style>
